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send operator a notification when update available
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67 changes: 67 additions & 0 deletions
67
src/main/java/moe/langua/lab/minecraft/scoop/UpdateChecker.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,67 @@ | ||
| package moe.langua.lab.minecraft.scoop; | ||
|
|
||
| import org.bukkit.ChatColor; | ||
| import org.bukkit.event.EventHandler; | ||
| import org.bukkit.event.Listener; | ||
| import org.bukkit.event.player.PlayerJoinEvent; | ||
| import org.json.JSONException; | ||
| import org.json.JSONObject; | ||
|
|
||
| import javax.net.ssl.HttpsURLConnection; | ||
| import java.io.BufferedReader; | ||
| import java.io.IOException; | ||
| import java.io.InputStream; | ||
| import java.io.InputStreamReader; | ||
| import java.net.MalformedURLException; | ||
| import java.net.URL; | ||
|
|
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| import static java.nio.charset.StandardCharsets.UTF_8; | ||
|
|
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| public class UpdateChecker implements Listener { | ||
| BootStrap instance; | ||
| private boolean hasUpdate = false; | ||
| private String latestVersion = ""; | ||
| private URL repoAPIURL = null; | ||
|
|
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| public UpdateChecker(BootStrap instance) { | ||
| this.instance = instance; | ||
| try { | ||
| repoAPIURL = new URL("https://api.github.com/repos/NyaaCat/MelonScoop/releases/latest"); | ||
| } catch (MalformedURLException ignore) { | ||
| } | ||
|
|
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| instance.getServer().getScheduler().runTaskTimerAsynchronously(instance, () -> { | ||
| try { | ||
| JSONObject result = new JSONObject(jsonAPIGet(repoAPIURL)); | ||
| latestVersion = result.getString("tag_name"); | ||
| if (!instance.getDescription().getVersion().equalsIgnoreCase(latestVersion)) hasUpdate = true; | ||
| } catch (IOException ignore) { | ||
| } | ||
| }, 0, 20 * 3600 * 12/*Check update every 12 hour*/); | ||
| } | ||
|
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||
| @EventHandler | ||
| public void onOperatorLogin(PlayerJoinEvent event) { | ||
| if (!event.getPlayer().hasPermission("melonscoop.update")) return; | ||
| if (!hasUpdate) return; | ||
| instance.getServer().getScheduler().runTaskLater(instance,()->event.getPlayer().sendMessage(ChatColor.YELLOW + "[MelonScoop] " + ChatColor.WHITE + "A new version of MelonScoop(" + latestVersion + ") is available. Click the link to download now: https://github.com/NyaaCat/MelonScoop/releases/" + latestVersion),20); | ||
| } | ||
|
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| private static String jsonAPIGet(URL reqURL) throws JSONException, IOException { | ||
| HttpsURLConnection connection = (HttpsURLConnection) reqURL.openConnection(); | ||
| connection.setRequestMethod("GET"); | ||
| connection.setRequestProperty("Content-type", "application/json"); | ||
| connection.setInstanceFollowRedirects(false); | ||
| InputStream inputStream = connection.getInputStream(); | ||
| InputStreamReader inputStreamReader = new InputStreamReader(inputStream, UTF_8); | ||
| BufferedReader bufferedReader = new BufferedReader(inputStreamReader); | ||
| String tmpString; | ||
| StringBuilder stringBuilder = new StringBuilder(); | ||
| while (true) { | ||
| tmpString = bufferedReader.readLine(); | ||
| if (tmpString == null) break; | ||
| stringBuilder.append(tmpString); | ||
| } | ||
| return stringBuilder.toString(); | ||
| } | ||
| } |